Lodash
De Banane Atomic
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Collection
includes
Checks if value is in collection.
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// for string, it checks for a substring of value
if (_.includes('abcd', 'bc')) { }
// true
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Array
uniq
Creates a duplicate-free version of an array.
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const duplicateFreeArray = _.uniq([1, 2, 2]); // [1, 2] |
String
replace
Replace pattern match with replacement.
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// only the first match is replaced
const result = _.replace('A.B.C', '.', '_');
// A_B.C
// with a regex with 'g', all the matches are replaced
const result = _.replace('A.B.C', /\w/g, '_');
// _._._
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Object
forOwn
Iterates over own enumerable string keyed properties of an object.
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let json = {
"A": "1",
"B": "2",
"C": {
"C1": "3",
"C2": "4"
},
"D": [ "5", "6" ]
};
_.forOwn(json, (value, key) => {
console.log(`key: ${key} - value: ${value}`);
});
// key: A - value: 1
// key: B - value: 2
// key: C - value: [object Object]
// key: D - value: 5,6
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